<template id="app">
  <div class="login_container">
<div class="login_box">
  <!-- <头像区域> -->
  <div class="avatar_box">
    <img src="../assets/logo.png" alt="">
  </div>
  <!-- 登录表单区域 -->
  <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
    <!-- 用户名 -->
  <el-form-item prop="username">
    <el-input v-model="loginForm.username"  prefix-icon="iconfont icon-user"></el-input>
  </el-form-item>
  <!-- 密码 -->
   <el-form-item prop="password">
    <el-input v-model="loginForm.password"  prefix-icon="iconfont icon-3702mima" type="password"></el-input>
  </el-form-item>
  <!-- 按钮区域 -->
   <el-form-item class="btns">
    <el-button type="primary" @click="login">登录</el-button>
    <el-button type="info" @click="resetLoginForm">重置</el-button>
  </el-form-item>
  </el-form>
</div>
  </div>
</template>

<script>
export default {
  data () {
    return {
//这里是登录表单的数据绑定对象
loginForm:{
  username:'admin',
  password:'123456'
},
// 表单的验证规则对象
loginFormRules:{
  username:[
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
  ],
  password:[
     { required: true, message: '请输入密码', trigger: 'blur' },
    { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
  ]
}
    }
  },
  created () {

  },
  mounted () {

  },
  methods: {
    // 重置表单
resetLoginForm(){
// console.log(this);
this.$refs.loginFormRef.resetFields()
},
login(){
  this.$refs.loginFormRef.validate(async valid=>{
    if(!valid) return;
    const {data:res} = await this.$http.post("login",this.loginForm)
    if(res.meta.status !== 200) return this.$message.error('登录失败!')
    this.$message.success('登录成功')
    console.log(res);
    // 把token保存到了sessionStorage里面
    window.sessionStorage.setItem("token",res.data.token)
  //  编程式导航跳转到后台主页
  this.$router.push("/home")
  })
}
  }
}
</script>

<style scoped lang="less">
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 6px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);

  .avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_form{
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.btns{
  display: flex;
  justify-content: flex-end;
}
</style>
